M:tG card similarity search
4 · Artifact
You may choose not to untap Helm of Possession during your untap step. {2}, {T}, Sacrifice a creature: Gain control of target creature for as long as you control Helm of Possession and Helm of Possession remains tapped.
| Name | Mana | Type | Text |
|---|---|---|---|
| Lorthos, the Tidemaker | 5UUU | Legendary Creature — Octopus | Whenever Lorthos, the Tidemaker attacks, you may pay {8}. If you do, tap up to eight target permanents. Those permanents don't untap during their controllers' next untap steps. 8/8 |
| Captain of the Mists | 2U | Creature — Human Wizard | Whenever another Human enters the battlefield under your control, untap Captain of the Mists. {1}{U}, {T}: You may tap or untap target permanent. 2/3 |
| Triton Tactics | U | Instant | Up to two target creatures each get +0/+3 until end of turn. Untap those creatures. At this turn's next end of combat, tap each creature that was blocked by one of those creatures this turn and it doesn't untap during its controller's next untap step. |
| Frozen Solid | 1UU | Enchantment — Aura | Enchant creature Enchanted creature doesn't untap during its controller's untap step. When enchanted creature is dealt damage, destroy it. |
| Orcish Farmer | 1RR | Creature — Orc | {T}: Target land becomes a Swamp until its controller's next untap step. 2/2 |
| Archipelagore | 5UU | Creature — Leviathan | Mutate {5}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Whenever this creature mutates, tap up to X target creatures, where X is the number of times this creature has mutated. Those creatures don't untap during their controller's next untap step. 7/7 |
| Code of Constraint | 2U | Instant | Target creature gets -4/-0 until end of turn. Draw a card. Addendum — If you cast this spell during your main phase, tap that creature and it doesn't untap during its controller's next untap step. |
| Grimgrin, Corpse-Born | 3UB | Legendary Creature — Zombie Warrior | Grimgrin, Corpse-Born enters the battlefield tapped and doesn't untap during your untap step. Sacrifice another creature: Untap Grimgrin and put a +1/+1 counter on it. Whenever Grimgrin attacks, destroy target creature defending player controls, then put a +1/+1 counter on Grimgrin. 5/5 |
| Locked in the Cemetery | 1U | Enchantment — Aura | Enchant creature When Locked in the Cemetery enters the battlefield, if there are five or more cards in your graveyard, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step. |
| Embargo | 3U | Enchantment | Nonland permanents don't untap during their controllers' untap steps. At the beginning of your upkeep, you lose 2 life. |